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      <marc:subfield code="a">Co24-537/1976E-PDF</marc:subfield>
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      <marc:subfield code="a">The outline of the Canadian telephone industry structural model / </marc:subfield>
      <marc:subfield code="c">Institute of Applied Economic Research.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">[Department of Communications], </marc:subfield>
      <marc:subfield code="c">August 1976.</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
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      <marc:subfield code="a">"The purpose of the "Canadian Telephone Industry Structural Model" (CAPTRA) is to analyse the past and present characteristics of the telephone industry in order that simulations may be developed describing various feasible future paths the industry may pursue. The model is being developed by the Institute of Applied Economic Research for the Federal Department of Communications. Consequently, the aim of this paper is to highlight the general structure and interrelationships of the CAPTRA model"--Introduction, page 1.</marc:subfield>
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      <marc:subfield code="a">Telephone</marc:subfield>
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      <marc:subfield code="x">Mathematical models.</marc:subfield>
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      <marc:subfield code="a">Téléphone</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Communications.</marc:subfield>
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      <marc:subfield code="a">Concordia University. </marc:subfield>
      <marc:subfield code="b">Institute of Applied Economic Research.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2020/isde-ised/Co24/Co24-537-1976-eng.pdf</marc:subfield>
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